November Tunnel Progress

TEL 1/2 Tunnel Chart, November 2015

Contract T206

The first Earth Pressure Balance TBM for the Thomson-East Coast Line was lowered down into the Launch Shaft 1 last night. Manufactured by STEC, the EPB machine has commenced assembly works within the launch shaft and will do its first drive along the Reception Tunnel 3 (RT3) towards Mandai Depot. Tunnelling works should commence in January 2016.

Ring progress as of November 16,

S-893 - Changi Bound Tunnel: Ring 58 (9% completed) - Transitioning to main drive & installation of backup gantries

S-894 - Woodlands Bound Tunnel: Ring 11 (2% completed)

Ring progress as of November 29,

S-893 - Changi Bound Tunnel: Ring 70 (12% completed) - Transitioning to main drive & installation of backup gantries

S-894 - Woodlands Bound Tunnel: Ring 11 (2% completed)

Hoisting of the front shield (Nov 22) - Photo Cr: Ramalingam Rama

Rear shield

Lowering of the cutterhead come dawn

Preparations in the launching chamber - Photo Cr: Anand Anandharaj

Contract T202

Tunnelling works will commence at the Woodlands North within the new few days.

Medical chamber in one of the 2 Kawasaki TBMs at T202 (Photo cr: Mike)

Contract T208

Ring progress as of November 2,

TBM C - Woodlands Bound Tunnel: Ring 71 (9% completed)

TBM A - Changi Bound Tunnel: Ring 57 (7% completed)

Ring progress as of November 23,

TBM C - Woodlands Bound Tunnel: Ring 85 (11% completed)

TBM A - Changi Bound Tunnel: Ring 58 (7% completed)

New cutter tools (Photo cr: Mike)

Worn out cutters extracted during intervention